Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net earnings (loss)	$ 252	$ 172	$ 705	$ 447
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	0	1	0	1
Foreign currency translation	(124)	42	(141)	37
Gain (loss) from cash flow hedges	(5)	1	(11)	4
Pension and postretirement benefits	(8)	0	(34)	0
Total other comprehensive income (loss), net of tax	(137)	44	(186)	42
Total comprehensive income (loss), net of tax	115	216	519	489
Comprehensive (income) loss attributable to noncontrolling interests	1	0	3	0
Comprehensive income (loss) attributable to Celanese Corporation	$ 116	$ 216	$ 522	$ 489